Parse PDF on MAC

macrumors newbie

I need to search a word in a PDF file. Currently I am getting only the page on which the word exists. But the exact location of the word is not known and hence cannot highlight the word.
Are there any PDF parsers available for MAC which can give the position of the word to be searched ?
Or any PDF parsers which will convert PDF file text in XML format on MAC ?

The APIs mentioned in the link are used. I am able to get the page number on which the search string exists and also able to display the page. But I am not able to highlight the exact search string on the page and bring the document visibility to that string.

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